/var/tmp/portage/dev-db/tora-3.0.0_pre20140929-r1/work/tora-3.0.0_pre20140929/src/parsing/tsqllexeroracle2.cc: In member f unction 'SQLLexer::Lexer::token_const_iterator SQLLexer::OracleGuiLexer::findEndTokenDML(const SQLLexer::Lexer::token_const_ite rator&)': /var/tmp/portage/dev-db/tora-3.0.0_pre20140929-r1/work/tora-3.0.0_pre20140929/src/parsing/tsqllexeroracle2.cc:736:5: error : no 'operator--(int)' declared for postfix '--' [-fpermissive] i--; ^ Some info: Portage 2.2.28 (python 3.4.3-final-0, hardened/linux/x86, gcc-4.9.3, glibc-2.22-r4, 3.16.5-gentoo i686) ================================================================= System uname: Linux-3.16.5-gentoo-i686-Intel-R-_Pentium-R-_4_CPU_3.40GHz-with-gentoo-2.2 KiB Mem: XXXXXX total, 375076 free KiB Swap: XXXXXX total, 1963920 free Timestamp of repository gentoo: Tue, 30 Aug 2016 23:15:01 +0000 sh bash 4.3_p42-r1 ld GNU ld (Gentoo 2.25.1 p1.1) 2.25.1 app-shells/bash: 4.3_p42-r1::gentoo dev-java/java-config: 2.2.0-r3::gentoo dev-lang/perl: 5.20.2::gentoo dev-lang/python: 2.7.10-r1::gentoo, 3.4.3-r1::gentoo dev-util/cmake: 3.5.2-r1::gentoo dev-util/pkgconfig: 0.28-r2::gentoo sys-apps/baselayout: 2.2::gentoo sys-apps/openrc: 0.19.1::gentoo sys-apps/sandbox: 2.10-r2::gentoo sys-devel/autoconf: 2.13::gentoo, 2.69::gentoo sys-devel/automake: 1.4_p6::<unknown repository>, 1.5::<unknown repository>, 1.6.3::<unknown repository>, 1.7.9-r1::<unknown repository>, 1.8.5-r3::<unknown repository>, 1.9.6-r2::<unknown repository>, 1.10.3-r1::gentoo, 1.11.6-r1::gentoo, 1.12.6::gentoo, 1.13.4::gentoo, 1.14.1::gentoo, 1.15::gentoo sys-devel/binutils: 2.24-r3::gentoo, 2.25.1-r1::gentoo sys-devel/gcc: 4.3.6-r1::gentoo, 4.4.7::gentoo, 4.8.3::gentoo, 4.9.3::gentoo sys-devel/gcc-config: 1.7.3::gentoo sys-devel/libtool: 2.4.6::gentoo sys-devel/make: 4.1-r1::gentoo sys-kernel/linux-headers: 3.18::gentoo (virtual/os-headers) sys-libs/glibc: 2.22-r4::gentoo
=dev-db/tora-3.0.0_pre20140929-r1 is obsolete. 2016-04-03 upstream released 3.0.0 version. But we cannot build upstream's default GUI Qt5, because x11-libs/qscintilla in gentoo tree builds only with Qt4 (see blocker bug #541604). Legacy GUI (Qt4) seems to be broken, see https://bugs.gentoo.org/show_bug.cgi?id=577850#c5
TOra's upstream don't support historical versions. 3.1 branch is buildable. Just update to actual version.